Home / 980,589.18-1,353,270.90-738,444.54

Finding the Fourth Proportional to 980,589.18, 1,353,270.90 and 738,444.54

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Solution

The fourth proportional to 980,589.18, 1,353,270.90 and 738,444.54 is: 1,019,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,589.18 : 1,353,270.90 = 738,444.54 : x
  2. Step 2: Convert to fraction form
    980,589.18/1,353,270.90 = 738,444.54/x
  3. Step 3: Cross multiply
    980,589.18x = 1,353,270.90 × 738,444.54
  4. Step 4: Simplify right side
    980,589.18x = 999,315,507,245.89
  5. Step 5: Solve for x
    x = 999,315,507,245.89/980,589.18
  6. Step 6: Final answer
    x = 1,019,097.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.